package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.pojo.Category;
import com.itheima.reggie.service.CategoryService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@RestController
@RequestMapping("category")
public class CategoryController {

    @Autowired
    private CategoryService categoryService;

    /**
     * 添加分类
     * @param category
     * @return
     */
    @PostMapping
    public R<String> save(@RequestBody Category category){
        categoryService.save(category);
        return R.success("添加分类成功");
    }

    /**
     * 分页
     * @param page
     * @param pageSize
     * @return
     */
    @GetMapping("page")
    public R<IPage<Category>> page(Integer page, Integer pageSize){
        Page<Category> pageInfo=new Page<>(page,pageSize);
        QueryWrapper<Category> wrapper = new QueryWrapper<>();
        wrapper.orderByAsc("sort");
        categoryService.page(pageInfo,wrapper);
        return R.success(pageInfo);
    }

    /**
     * 删除分类
     * @param id
     * @return
     */
    @DeleteMapping()
    public R<String> delete(Long id){
        //categoryService.removeById(id);
        categoryService.remove(id);
        return R.success("删除分类成功");
    }

    /**
     * 更新
     * @param category
     * @return
     */

    @PutMapping
    public R<String> update(@RequestBody Category category){
        categoryService.updateById(category);
        return R.success("更新成功");
    }

    /**
     * 菜品分类
     * @param type
     * @return
     */
    @GetMapping("list")
    public R<List<Category>> list(Integer type) {
        //条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
        //添加条件
        queryWrapper.eq(type != null, Category::getType, type);
        //添加排序条件
        queryWrapper.orderByAsc(Category::getSort);
        List<Category> list = categoryService.list(queryWrapper);
        return R.success(list);
    }
}
